Track-sanding apparatus



[No Model.)

H. L. LEACH, Jr. TRACK SANDING APPARATUS.

Lu ////////////////V///// %I &25525 `UNITED STATES PATENT OFFICE.

HENRY L. LEACH, JR., OF FITCHBURG, ASSIGNOR OF ONE-HALF TO HENRY L.LEACH, SR., OF BOSTON, MASSACHUSETTS.

TRACK-SANDING APPARATUS.

SPECIFICATION forming part of Letters Patent No. 4334586, dated. August5, 1890.

Application filed May 27, 1890. Serial No. 353,387. (No model To allwhom, it may cancer-n: rails, and wheels, as Will be readily under Be itknown that I, HENRY L. LEACH, Jr., stood by all skilled in the art. ofFtchburg, in the eounty of WVoI-cesterand In the apparatus now in usethere is no State of Massachusetts, have invented a new adequateprovision forpreventing the escape and useful Improvement inTrack-Sanding of an unnecessarily large quantity of sand 5 5 Apparatus,of which the following is a speciand consequent blocking of theWheels,waste ficaton, reference being had to the accomof power,and wearand tear of tires and rails. panying drawings, in which- The blast ispreferably compressed air, the Figure 1 shows a part of a loconotiveprouse of which avoids danpening the sand and Io vided with myapparatus.. Fig. 2 is a secconsequentclogging and freezingof the sand 60tional View of one form of trap. Fig. 3 is in cold weather. also asectional View of the trap, but on a My traps are usually provided withtwo smaller scale. openings a] either of which receives the pipo Themain feature of ny invention is the from the sand-boX, because in somestyles of conbination of a sand-trap and blast leading locomotives it isconvenient to bring the pipe 65 into the trap. into the trap at anangle, while in other styles In the drawings, which show the preferredit is (lesirable to bring it straight into the trap. form of myapparatus, a i's the trap; a', an Only one opening is ordnarily used,howopening to receive a sand-pipe b from the ever, the other beingusually closed by a eap V sand-box b'; a an opening to receive the orplug a (See Fig. 3.) 70 sand-delivery pipe 13 a an opening to re- Ifdesired, the cover 60 may be removed by ceive the blast-pipo d. Thisform of my trap is removing cap a or (0 and the sand allowed formed witha partition a& which divides the to fall straight through the trap bygravity, trap into two chanbers, as shown in Fig. 2, as alreadyexplained.

the sand falling from the sand-box into the In practice I use a nozzle ain the opening 75 upper chamber, whencc it is blown by the (0 thisnozzle having a bore about one thirtyblast over the partition, fallingthence to the second of 'an inch in diameter, and the blast railsthrough the delivery-pipe b It is deis preferably introduced at thepoint shown, sirable to provide a direct passage from one so as to liftor force the sand over the partichamber to the other through which thesand t-ion. g may fall, by gravity, if desired, without the Theoperation will be readily understood use of the blast; and when my trapis formed by all skilled in the art without further dewith this passagea cover a is provided to seription. close the passage when it is not inuse. It I am, so far as I know, the first to intro 3 5 is highlydesirable also to form` the trap with duce a blast-nozzle into a trapand drive the 85 that part of the trap which is opp'osite the sandthence to the delivery-pipe. blast renovable, because this part isliable Iam aware of Greshans patent, No. 381,837, to be worn away by thesandblast and needs dated August 20, 1889, and disclaim all that is tobe occasionally replaced. shown in it.

40 In the form of trap shown the renovable That I claim is- 9 part is acap (LG. This renovable part of the 1. In traek-sanding apparatus, thecombitrap opposite the sand-blast is a feature of nation of a trapandablast-nozzle introduced my invention. The main novelty of my inintothe trap, substantially as and for the vention consists, however, in theintroduction purpose set forth.

of the blast into the trap. By this I am able v 2. In track-sandingapparatus, a trap into to feed the sand to the sand-delivery pipe inwhich a blast-nozzle is introduced, the tra small and even quantities-inas snall quar having a renovable part Opposite the blast, tities asdesired and with rcgularitythus substantially as and for the purpose setfo rth. making anatcrial saving in the quantity of 3. In traclcsandingapparatus, a trap di- 5o sand used and a eonsequent saving of power,vided into chambers, the wall between which oo has an opening and cover,substantially as upper ohamber, all substantially :is and for and forthe purpose set forth. the purpose set forth.

4. A track-Sandng appamtns forned with an interier parttionvformingconneetng up- HENRY L. LEACH, JR. 5 per and lower ohambers, an openingin the XVitnesses:

upper ehmnber, an opening in the other eham- F. O. CURRIER,

ber, and a blast-nozzle at the bottom of the C. Z. PARKER.

